Who knew 17 years could go so fast? By the time it takes to send a kid to college, I’ve been toiling, mostly joyfully, at the Chronicle and SFGate.com. I am headed to KNBR 680-AM, where I will also be making radio appearances and occasionally filling in as a co-host and continuing as part of …

Former Packers safety Charles Woodson, of course, is visiting the 49ers today. Woodson arrived in Santa Clara this morning and, as of 7:50 p.m., was still visiting with the team, according to his agent, Carl Poston. …

Meet the new man in the middle: Glenn Dorsey. The 49ers have signed the No. 5 pick in the 2008 draft who won the Outland, Lombardi, Nagurski and Lott awards as a consensus first-team All-American at LSU. …